Color

#674ddb

#674ddb
hex#674ddb
rgbrgb(103, 77, 219)
hslhsl(251, 66%, 58%)
oklchoklch(0.531 0.206 285.4)
Closest name: slateblue (#6a5acd)Relative luminance 0.1331

Tints & shades

Every swatch is its own page — click any to analyze it.

Harmonies

Complementary

Open in tool →

#c1db4d

#4d7adb · #ae4ddb

#db674d · #4ddb67

Split-complementary

Open in tool →

#dbae4d · #7adb4d

#db4d7a · #c1db4d · #4ddbae

Contrast

#674ddb as textRatioAAAA largeAAAFix
Aaon white
5.74:1passpassfail
  • AAA: use #5538d6 as the text (7.18:1)
Aaon black
3.66:1failpassfail
  • AA: use #7962df as the text (4.63:1)
  • AAA: use #9a88e7 as the text (7.05:1)
  • AA: or shift the background to #e6e6e6 (4.6:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #674ddb as the background.

Brands using this color

No public brand in the corpus uses this exact color yet. Extract a brand to add one.

Fonts for this mood

#674ddb reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #674ddb
live endpoint

Point any MCP client at the shared colors endpoint and your agent gets the same engine as this page — generate_palette, check_contrast, analyze_color — read-only, no key. Every palette it proposes comes with a /palettes/new/… link: open it, lock what you like, paste the link back.

endpointhttps://mcp.brandsweets.com/colors/mcp
claude mcp add --transport http brandsweets-colors https://mcp.brandsweets.com/colors/mcp
try this prompt

analyze #674ddb and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/674ddb-a89cc4-dfb34e-281f2d-e9ecf1?lock=0&style=vibrant

Want the agent to remember your picks and write them into a living brand? Create a free BrandSweets workspace.

Machine-readable: color.md